[PATCH 13/27] imx: imx8ulp: Load the lposc fuse for dual boot

Peng Fan (OSS) peng.fan at oss.nxp.com
Mon Feb 14 13:47:21 CET 2022

From: Ye Li <ye.li at nxp.com>

Found the lposc fuse loading having impact to cpu idle in kernel.
Without the loading in dual boot mode, kernel will hang after idle
for a while.

Reviewed-by: Peng Fan <peng.fan at nxp.com>
Signed-off-by: Ye Li <ye.li at nxp.com>
Signed-off-by: Peng Fan <peng.fan at nxp.com>
 board/freescale/imx8ulp_evk/spl.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/board/freescale/imx8ulp_evk/spl.c b/board/freescale/imx8ulp_evk/spl.c
index e6949b5e43..9bc9081617 100644
--- a/board/freescale/imx8ulp_evk/spl.c
+++ b/board/freescale/imx8ulp_evk/spl.c
@@ -76,10 +76,8 @@ void spl_board_init(void)
 	/* After AP set iomuxc0, the i2c can't work, Need M33 to set it now */
-	/* Load the lposc fuse for single boot to work around ROM issue,
-	 *  The fuse depends on S400 to read.
-	 */
-	if (is_soc_rev(CHIP_REV_1_0) && get_boot_mode() == SINGLE_BOOT)
+	/* Load the lposc fuse to work around ROM issue. The fuse depends on S400 to read. */
+	if (is_soc_rev(CHIP_REV_1_0))

More information about the U-Boot mailing list